* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {}

h2 {
    font-size: 1.25rem;
    font-weight: 300;
    color: #333;
}

.container {
    width: 352px;
    height: 100vh;
    margin: auto;
    display: flex;
    flex-wrap: nowrap;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.title {
    margin: 20px;
}

.date,
.day {
    display: flex;
    flex-wrap: wrap;
    width: 352px;
    border: 1px solid #333;
}

.date span,
.day span {
    box-shadow: 0.5px 0.5px 1px rgba(0, 0, 0, 0.3);
    width: 50px;
    height: 50px;
    line-height: 50px;
    text-align: center;
}

.date span.h {
    color: #999;
}

.date span.today {
    background: #007bff;
    color: #ffffff;

}